/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.anywide.dawdler.clientplug.web.validator.operators;

import java.util.List;
import java.util.regex.Matcher;
/**
 * 
 * @Title:  MinNumberRuleOperator.java   
 * @Description:    数字类小于判断   
 * @author: jackson.song    
 * @date:   2007年07月22日     
 * @version V1.0 
 * @email: suxuan696@gmail.com
 */
public class MinNumberRuleOperator extends RegexRuleOperator {
	public static final String RULEKEY="^minnumber:([-+]?\\d+(\\.\\d+)?$)";
	public MinNumberRuleOperator() {
		super(RULEKEY);
	}
	@Override
	public String validate(Object value, Matcher matcher) {
		boolean flag=true;
		double i = Double.parseDouble(matcher.group(1));
		String error = "不能小于数字"+i+"!";
		if(value==null)return null;
		if(value instanceof String){
			if(isEmpty(value.toString()))return null;
		 	Double v = null;
			try {
				v= Double.parseDouble((String)value);
			} catch (Exception e) {
			}
			if(v==null)return null;
			if(v<i) return error; 
		}
		if(value instanceof String[]){
			String[] values = (String[]) value;
			for(String v :values){
				if(isEmpty(v)){
					continue;
				}
				Double dv = null;
				try {
					dv= Double.parseDouble(v);
				} catch (Exception e) {
				}
				if(dv==null)continue;
				if(dv<i){
					flag=false;
					break;	
				} 
				
			}
		}else if (value instanceof List){
			List values = (List) value;
			for(Object o : values){
				if(o==null||isEmpty(o.toString())){
					continue;
				}
				Double dv = null;
				try {
					dv= Double.parseDouble(o.toString());
				} catch (Exception e) {
				}
				if(dv==null)continue;
				if(dv<i){
					flag=false;
					break;	
				} 
			}
		}
		if(!flag)return error;
		return null;
	}
	@Override
	public String toString() {
		return "最小数值不能小于指定数字如:minnumber:25或minnumber:25.32!";
	}
	
}

